Home / 209,615,290.22-289,257,296.22-115,529,152.04

Finding the Fourth Proportional to 209,615,290.22, 289,257,296.22 and 115,529,152.04

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Solution

The fourth proportional to 209,615,290.22, 289,257,296.22 and 115,529,152.04 is: 159,423,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,615,290.22 : 289,257,296.22 = 115,529,152.04 : x
  2. Step 2: Convert to fraction form
    209,615,290.22/289,257,296.22 = 115,529,152.04/x
  3. Step 3: Cross multiply
    209,615,290.22x = 289,257,296.22 × 115,529,152.04
  4. Step 4: Simplify right side
    209,615,290.22x = 33,417,650,153,679,704
  5. Step 5: Solve for x
    x = 33,417,650,153,679,704/209,615,290.22
  6. Step 6: Final answer
    x = 159,423,723.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.